%0 Journal Article %A Dang Khoa Nguyen %A Bernhard Schmidt %T Fast computation of Gauss sums and resolution of the root of unity ambiguity %J Acta Arithmetica %D 2009 %P 205-232 %V 140 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa140-3-1/ %R 10.4064/aa140-3-1 %G en %F 10_4064_aa140_3_1